Observations on respiratory flow-volume loops.
D000328:Adult; D000886:Anthropometry; D004582:Electronics, Medical; D005260:Female; D006801:Humans; D008297:Male; D008722:Methods; D008875:Middle Aged; D011656:Pulmonary Emphysema / Q000503:physiopathology*; D012119:Respiration; D012129:Respiratory Function Tests; D013147:Spirometry